Floor rack



FIG. 1 is a front view of a floor rack showing my new design;

FIG. 2 is a rear view of the floor rack;

FIG. 3 is a left side view of the floor rack;

FIG. 4 is a right side view of the floor rack;

FIG. 5 is a top view of the floor rack; and,

FIG. 6 is a bottom view of the floor rack.

CLAIM The ornamental design for a floor rack, as shown and described.